Applicable to all vehicles on the market. Equipped with high-precision GPS + Beidou dual-channel module. Solar charging function. Uses the light intensity sensed by the sensor to adjust the screen brightness. Uses a color screen high-definition LCD display. This product is a multi-functional car GPS product, which is equipped with solar charging, built-in 400MA battery, high-definition display, ABS high-temperature resistant material quality. This product is suitable for all models on the market (including trucks, buses, commercial vehicles, etc.), the product obtains satellite signal data in blocks through GPS / Beidou satellite dual-channel mode, and the dual signal is more stable. Power supply: DC5V Solar charging: 100MA GPS data update frequency: 1 s Wireless transmission frequency: 2.4GHz GPS Speed accuracy: Less than 0.36Km/h GPS Battery: 400MA Working temperature: -40-+80 Cold start time: 32s (average) Hot start time: 1 s (average) Designed with ABS+PC high-temperature resistant material. Starts with the car, automatic sleep function when parking. Main function and alarm function: Speed, time, altitude, temperature display. Speed alarm, fatigue driving reminder. Color: Black Material: ABS+PC Package contents: 1 * heads up display Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.